:root{
  --bg:#ffffff; --bg-alt:#f7f8fb; --bg-grad1:#eef2ff; --bg-grad2:#ffffff;
  --text:#0f172a; --text-muted:#475569; --muted:#64748b;
  --brand:#0ea5e9; --brand-700:#0369a1; --brand-ink:#0b1220;
  --card:#ffffff; --border:#e2e8f0; --shadow:0 10px 30px rgba(2,6,23,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}

.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:16px;top:16px;width:auto;height:auto;background:#fff;border:1px solid var(--border);padding:.5rem .75rem;border-radius:.5rem;z-index:1000}

.container{max-width:1140px;margin:0 auto;padding:0 20px}

.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:600}
.logo{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#38bdf8,#6366f1)}
.nav-links{display:none;gap:1.1rem;align-items:center}
.nav a{color:#0f172a;text-decoration:none;font-size:.95rem}
.nav a:hover{opacity:.9}
.btn{display:inline-block;border-radius:.8rem;padding:.7rem 1rem;text-decoration:none;font-weight:600;border:1px solid transparent;transition:.15s transform ease}
.btn-dark{background:#0f172a;color:#fff}
.btn-light{background:#fff;color:#0f172a;border-color:#0f172a}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn:hover{transform:translateY(-1px)}
@media(min-width:860px){.nav-links{display:flex}}

.hero{position:relative;overflow:hidden;color:#fff}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(1000px 600px at 80% -10%, rgba(56,189,248,.25), transparent),
  radial-gradient(900px 500px at 20% 10%, rgba(99,102,241,.22), transparent),
  linear-gradient(180deg,#0c4a6e 0%, #0b1220 100%)}
.hero-inner{position:relative;padding:120px 0 80px;text-align:center}
.hero h1{font-size: clamp(2rem, 3.8vw, 3.2rem);line-height:1.12;margin:0 0 .75rem}
.lead{font-size:1.06rem;color:rgba(255,255,255,.92);max-width:860px;margin:0 auto}
.cta-row{display:flex;gap:.75rem;justify-content:center;margin-top:1.1rem}
.hero-badges{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin-top:1rem}
.pill{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;padding:.38rem .6rem;border-radius:999px;font-size:.8rem}

.section{padding:76px 0}
.section-alt{background:var(--bg-alt)}
.section-grad{background:linear-gradient(180deg,var(--bg-grad1),var(--bg-grad2))}
.section-title{text-align:center;max-width:760px;margin:0 auto 28px}
.section-title h2{margin:.25rem 0;font-size: clamp(1.4rem, 2.2vw, 2.1rem)}
.section-title p{color:var(--text-muted)}

.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(1,1fr)}
.grid-3{grid-template-columns:repeat(1,1fr)}
.grid-4{grid-template-columns:repeat(1,1fr)}
@media(min-width:720px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}}
@media(min-width:980px){.grid-4{grid-template-columns:repeat(4,1fr)}}

.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow);transition:box-shadow .2s ease, transform .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(2,6,23,.10)}
.card h3{margin:.25rem 0 .35rem;font-size:1.03rem}
.card p{margin:0;color:var(--text-muted)}
.icon{width:28px;height:28px;color:#0f172a;display:flex;align-items:center;justify-content:center;margin-bottom:.4rem}

.steps{display:grid;gap:16px}
.step{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px}
.step-num{flex:0 0 28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#0f172a;border:1px solid var(--border)}
.note{margin-top:14px;color:var(--muted);text-align:center}

.tabs{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin-bottom:12px}
.tab{border:1px solid var(--border);background:#fff;color:#0f172a;padding:.5rem .9rem;border-radius:999px;font-weight:600;cursor:pointer}
.tab.is-active{background:#0f172a;color:#fff;border-color:#0f172a}
.tabpanes{max-width:860px;margin:0 auto;border:1px solid var(--border);background:#fff;border-radius:16px;padding:18px;color:var(--text-muted)}
.tabpane{display:none}
.tabpane.is-active{display:block}

.center{text-align:center}

.price{display:flex;flex-direction:column;gap:.5rem}
.price .list{padding-left:1.25rem;margin:.25rem 0 .5rem;color:var(--text-muted)}
.price .list li{margin:.25rem 0}
.price-featured{border:2px solid #0f172a}

.faq details{background:#fff;border:1px solid var(--border);border-radius:14px;padding:12px 14px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{color:var(--text-muted)}

.cta{background:linear-gradient(90deg,#0284c7,#4f46e5);color:#fff}
.cta .btn-ghost{border-color:rgba(255,255,255,.5)}

.footer{border-top:1px solid var(--border);padding:24px 0;background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.95rem;color:var(--muted)}
.footer a{color:inherit;text-decoration:none}
.footer a:hover{text-decoration:underline}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220; --bg-alt:#0f172a; --bg-grad1:#0b1220; --bg-grad2:#0b1220;
    --text:#e5e7eb; --text-muted:#cbd5e1; --muted:#94a3b8;
    --card:#0f172a; --border:#1f2937; --shadow:none;
  }
  .nav{background:rgba(11,18,32,.8);border-bottom-color:var(--border)}
  .nav a{color:#e5e7eb}
  .btn-light{background:transparent;color:#fff;border-color:#fff}
  .btn-dark{background:#fff;color:#0b1220}
  .tab{background:var(--card);color:var(--text);border-color:var(--border)}
  .tabpanes{background:var(--card)}
  .icon{color:#fff}
}